The preferred metric screw thread is the Coarse Thread Pitch. If this is not suitable due to wall thickness and space considerations, the Fine Thread Pitch is available.
| Size (mm) | Pitch (mm) | Tap Drill (mm) | Clearance Drill (mm) |
| 1.6 | 0.35 | 1.25 | 1.8 |
| 2 | 0.4 | 1.60 | 2.4 |
| 2.5 | 0.45 | 2.00 | 2.90 |
| 3 | 0.5 | 2.50 | 3.40 |
| 3.5 | 0.6 | 2.90 | 3.90 |
| 4 | 0.7 | 3.30 | 4.50 |
| 5 | 0.8 | 4.20 | 5.50 |
| 6 | 1 | 5.00 | 6.60 |
| 8 | 1.25 | 6.80 | 9.00 |
| 10 | 1.5 | 8.50 | 12.00 |
| 12 | 1.75 | 10.20 | 14.00 |
| 14 | 2 | 12.00 | 16.00 |
| 16 | 2 | 14.00 | 18.00 |
| 20 | 2.5 | 17.50 | 22.00 |
| 22 | 2.5 | 19.50 | 25.00 |
| 24 | 3 | 21.00 | 27.00 |
| 27 | 3 | 24.00 | 30.00 |
| 30 | 3.5 | 26.50 | 33.00 |
| 36 | 4 | 32.00 | 40.00 |
| 42 | 4.5 | 37.50 | 46.00 |
| 48 | 5 | 43.00 | 53.00 |
| 56 | 5.5 | 50.50 | 62.00 |
| 64 | 6 | 58.00 | 70.00 |
| 72 | 6 | ||
| 80 | 6 | ||
| 90 | 6 | ||
| 100 | 6 |